The epidemic due to the Sars-CoV2 virus is spreading in France, without knowning precisely since when the virus has actually circulated on the territory. Data from China but also systematic samples taken from the passengers of the Diamond Princess boat also report almost 50% of asymptomatic forms of Covid-19. The medical and paramedical staff of the front-line services for the care of patients infected with Covid-19 are in fact potentially exposed to the risk of occupational contamination due to the large number of patients treated, including in the pre-epidemic phase. Therefore, and despite the application of standard protective measures, it is possible that a certain number of these personnel already have or will contract Covid-19 disease, including in its asymptomatic form.

NCT04304690

Conditions

1. Sars-CoV2

Interventions

1. Other: blood sample

MeSH:Communicable Diseases Infection Emergencies

SARV-CoV-2 infection was considered pandemic on March 11, 2020. The SARV-CoV-2 epidemic affected France from the beginning of March, spreading in particular from a 4-day large evangelical meeting of 2500 people on February 17 in the city of Mulhouse (North East of France). The Montpellier University Hospital has set up a clinical pathway for people suspected of being infected with SARV-CoV-2 because of signs compatible with pneumonia (screening criteria in France during the study period). This includes an emergency department, an infectious disease department dedicated to the surveillance of infected people requiring hospital treatment, and an intensive care unit for the most severe cases. The diagnosis of infection with SARV-CoV-2 was confirmed in approximately 20% of people initially referred in this special care system. The main objective of this cohorte is the collection of clinical data and biological samples from care for non-interventional research on the patients with a possible or confirmed SARS-CoV -2 infection, from diagnosis to long-term follow-up.

NCT04347850

Conditions

1. SARS-CoV-2
2. COVID-19

Interventions

1. Other: blood sample

The understanding of haemostasis and inflammation cross-talk has gained considerable knowledge during the past decade in the field of arterial and venous thrombosis. Complex and delicately balanced interaction between coagulation and inflammation involve all cellular and humoral components. Elements of the coagulation system such as activated thrombin, fibrinogen or factor Xa may increase inflammation by promoting the production of pro-inflammatory cytokines, chemokines, growth factors and adhesion molecules that lead to a procoagulant state amplifying the pathological process. Recent evidence supports inflammation as a common pathogenic contributor to both arterial and venous thrombosis, giving rise to the concept of inflammation-induced thrombosis. Patients with infection of COVID-19 and severe pneumoniae seem to have higher risk of thromboembolism. Very few data are available regarding the biological disorders of coagulation in these patients. Th purpose of this project is to analyze hemostasis and coagulation of patients with infection of COVID-19 and severe pneumonia.

NCT04366752

Conditions

1. COVID-19
2. Pneumonia
3. ARDS
4. Hemostasis
5. Coagulation

Interventions

1. Other: venous ultrasound
2. Other: blood sample

MeSH:Pneumonia Thromboembolism

HPO:Pneumonia Thromboembolism

SARS-CoV-2 induces over-production of inflammatory cytokines, and especially interleukin-6 (IL-6). The apparently strong association between blood levels of inflammaory cytokines and SARS-CoV-2 disease severity has led clinicians to evaluate the administration of steroids or anti-IL-6 antagonists in severely ill patients. As of this day, biomarkers capable of predicting clinical disease progression in Covid-19 patients with mild-to-moderate symptoms have not yet been formally identified. Identifying such markers and evaluating their predictive value may be exploited to guide patient care management, and as such forms the core objective of this proposal. Because of strong inter-individual variations in the ability of innate immune cells to produce cytokines, the hypothesis formulate and intend to test is that innate IL-6 responsiveness varies between recently infected Covid-19 patients and could predict disease outcome. To test this hypothesis, the investigator propose to follow recently infected kidney transplant patients with moderate Covid-19 symptoms. These patients stand a higher risk to progress to severe disease. The staff plan to collect a blood sample in these patients using a system whereby ex vivo cytokine production is initiated in the very same blood collection tube without prior separation and centrifugation, thus reducing labour and operator bias. After incubation with or without known innate immune stimuli, the cell-free phase from each collection-culture tube will be assayed for IL-6 content. Associations between IL-6 content and disease outcome (encephalopathy, transfer to acute care or death) will be determined in 115 Covid-19 kidney transplant patients with moderate symptoms followed in 9 centers.

NCT04369456

Conditions

1. Kidney Transplant; Complications
2. Coronavirus Infection

Interventions

1. Other: blood sample

MeSH:Coronavirus Infections Severe Acute Respiratory Syndrome Disease Progression

SARS-CoV-2 induces over-production of inflammatory cytokines, and especially interleukin-6 (IL-6). The apparently strong association between blood levels of inflammaory cytokines and SARS-CoV-2 disease severity has led clinicians to evaluate the administration of steroids or anti-IL-6 antagonists in severely ill patients. As of this day, biomarkers capable of predicting clinical disease progression in Covid-19 patients with mild-to-moderate symptoms have not yet been formally identified. Identifying such markers and evaluating their predictive value may be exploited to guide patient care management, and as such forms the core objective of this proposal. Because of strong inter-individual variations in the ability of innate immune cells to produce cytokines, the hypothesis the investigators formulate and intend to test is that innate IL-6 responsiveness varies between recently infected Covid-19 patients and could predict disease outcome. To test this hypothesis, the investigators propose to follow recently infected chronic haemodialysis patients with moderate Covid-19 symptoms. These patients stand a higher risk to progress to severe disease. The investigators plan to collect a blood sample in these patients using a system whereby ex vivo cytokine production is initiated in the very same blood collection tube without prior separation and centrifugation, thus reducing labour and operator bias. After incubation with or without known innate immune stimuli, the cell-free phase from each collection-culture tube will be assayed for IL-6 content. Associations between IL-6 content and disease outcome (encephalopathy, transfer to acute care or death) will be determined in 115 Covid-19 chronic haemodialysis patients with moderate symptoms followed in 9 centers.

NCT04371510

Conditions

1. COVID-19 by SARS-CoV-2 Infection

Interventions

1. Other: blood sample

MeSH:Disease Progression

The understanding of haemostasis and inflammation cross-talk has gained considerable knowledge during the past decade in the field of arterial and venous thrombosis. Complex and delicately balanced interaction between coagulation and inflammation involve all cellular and humoral components. Elements of the coagulation system such as activated thrombin, fibrinogen or factor Xa may increase inflammation by promoting the production of proinflammatory cytokines, chemokines, growth factors and adhesion molecules that lead to a procoagulant state amplifying the pathological process. Recent evidence supports inflammation as a common pathogenic contributor to both arterial and venous thrombosis, giving rise to the concept of inflammation induced thrombosis. Patients with infection of COVID-19 and severe pneumoniae seem to have higher risk of thromboembolism. The purpose of this project is to analyze hemostasis and coagulation of every hospitalized patient with infection of COVID-19. Blood sample for coagulation and hemostasis analysis will be collected on every patient hospitalized in Amiens hospital for COVID-19 infection. Thrombin time, factors V and II, fibrin/fibrinogen degradation products, antithrombin will be assessed every week. Anticardiolipin, anti-beta2 glycoprotein I and anti-annexin A2 antibodies IgG and IgM at day of admission and at fourth week after admission will be assessed. SARS-CoV2 viral load and serodiagnosis will be performed at the same time. At the same time venous ultrasound to diagnose thrombosis will be performed.

NCT04377490

Conditions

1. COVID-19
2. Hemostasis
3. Coagulation

Interventions

1. Other: venous ultrasound
2. Biological: blood sample

MeSH:Thromboembolism

HPO:Thromboembolism

Since March 2020, France has been confronted with the SARS-COV-2 pandemic. Analysis of the data of its spread would indicate that close contact between individuals is necessary and containment would be the best way to contain this virus. France has therefore been contained since March 17, 2020 until 11 May 2020. In order to assess the impact of the measures taken (containment) to protect patients and salaried staff of a french anti-cancer center on the spread of the virus, this observational study assesses the specific seroprevalence of SARS-COV-2 in all caregivers and non-carers of this hospital and in patients treated in consultation, day hospitalization, full hospitalization at the end of the containment period. The objective for the staff cohort is to describe the seroprevalence and the link between the seroprevalence and sociological / demographic factors relating to the category of profession, to the contacts with the patients, to the presence in the hospital during the period of containment, to the conditions of home containment. The objective for the patient cohort is to describe the seroprevalence and the link between the seroprevalence and factors relating to the type of cancer treated, the type of treatment and their possible modification during the period of containment, to the conditions of home containment.

NCT04517097

Conditions

1. Cancer

Interventions

1. Biological: blood sample

This study aims to determine how long COVID-19 neutralizing antibodies can be detected in an elderly institutionalized population presenting fragility factors. This study also aims to stratify seroconversion by immunological profiles of the elderly patients residing in the EHPAD. This stratification requires the measurement of immunological marker levels already described in immunosenescence and also involved in the development of certain chronic infectious diseases more common in the elderly population. This analysis will enable the investigators to describe an immunological, clinical and biological profile representing a patient who has developed an immunity against COVID 19. It will also help the investigators to understand the different mechanisms leading to a reduced immune response after a potential administration of a vaccine. Finally, it will help describe the immune profiles of elderly residents who presented with non-severe forms of COVID-19.

NCT04563650

Conditions

1. Covid19
2. Geriatric Medicine
3. Seroconversion
4. Immunosenescence

Interventions

1. Biological: blood sample

Patients with neurological or psychiatric symptoms or pre-existing disease will be sampled (blood for serum and DNA or saliva for DNA) at inclusion and at M6 (blood) and M12 (blood) depending on their pathology. Sampling will be done either at hospital if patient is on site for routine care or at home if no consultation is scheduled at hospital.

NCT04568707

Conditions

1. Covid19
2. Neurologic Manifestations
3. Psychiatric Manifestations

Interventions

1. Other: blood sample

MeSH:Nervous System Diseases Neurologic Manifestations

The principal objective is to determine the impact of phenelzine on the activation phenotype of T cells and myeloid cells during SARS-CoV2 infection

NCT04590222

Conditions

1. SARS-CoV2 Infection

Interventions

1. Other: blood sample

MeSH:Infec Infection